View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2012-4504 low priority: Ubuntu including 1 source packages (libproxy), 7 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): not-affected 3, released 3, DNE 1.
Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file.